電信/ Sonet光纖
光纖組件需要根據許多Telcordia和其他標准進行性能和可靠性測試。 MET還具有專門用於SONET測試的廣泛的實驗室能力。
MET利用全自動測試系統,在環境和機械應力條件下對光纖組件進行長期可靠性測試。這些系統可以同時對200多個通道的許多光學參數進行原位監測。除了測試,MET還提供合規 和測試計劃開發。
測試包括:
- 產品幾何形狀
- 橫截面
- 幾何公差
- 機械測試(振動,衝擊等)
- 纖維完整性(拉伸載荷,纖維彎曲和扭曲試驗)
- 環境模擬(熱循環,熱衝擊,壽命老化)
- 空氣污染物
- 鹽霧
- 真菌抗性測試
- FIT速率評估
- 數字光學元件測試(BERT,眼圖等)
電信
以下是相關的光纖電信標準MET測試:
- GR-13-CORE Pedestal Terminal Closure
- GR-20-CORE Optical Fiber and Optical Fiber Cable
- GR-196-CORE Optical Time Domain Reflectometer (OTDR) – Type Equipment
- GR-253-CORE Synchronous Optical Network (SONET) Transport Systems
- GR-326-CORE Singlemode Optical Connectors and Jumper Assemblies
- GR-409-CORE Premises Fiber Optic Cable
- GR-449-CORE Fiber Distributing Frames
- GR-468-CORE Optoelectronic Devices Used in Telecommunications Equipment
- GR-487-CORE Electronic Equipment Cabinets
- GR-765-CORE Single Fiber Single Mode Optical Splices and Splicing Systems
- GR-771-CORE Fiber Optic Splice Closures
- GR-902-CORE Handholes and Other Below-Ground, Non-Concrete Splice Vaults
- GR-910-CORE Fiber Optic Attenuators
- GR-949-CORE Service Terminal Closures Used with Optical Cables
- GR-950-CORE Optical Network Unit (ONU) Closures
- GR-1073-CORE Singlemode Fiber Optic Switches
- GR-1081-CORE Field-Mountable Optical Fiber Connectors
- GR-1095-CORE Multi-Fiber Splicing Systems for Single-Mode Optical Fibers
- GR-1209-CORE Fiber Optic Branching Components
- GR-1222-CORE Fiber Optic Terminators
- GR-1295-CORE Remote Fiber Testing Systems (RFTSS)
- GR-1380-CORE Fusion Splice Protectors
- GR-1435-CORE Multi–Fiber Connectors
- GR-2853-CORE AM/Digital Video Laser Transmitters and Receivers
- GR-2854-CORE Fiber Optic Dispersion Compensators
- GR-2876-CORE Universal Test Sets (UTS)
- GR-2883-CORE Fiber Optic Filters
- GR-2898-CORE Fiber Demarcation Boxes
- GR-2919-CORE Hybrid Splice/Connector for Single-Mode Optical Fiber
- GR-3125-CORE Outdoor Fiber Distribution Hub (FDH) Closures
- GR-3126-CORE Generic Requirements for Wall Plates, Moldings, and Raceways that Support Fiber Optic Services
SONET測試
MMET實驗室完全能夠測試光纖設計標準,如用於SONET設備的GR-253-CORE以及SDH設備的等效國際標準。
SONET / SDH設備的測試涉及各種領域,例如:
網絡兼容性和網絡接口設計驗證
STS-n / STM-n幀結構,同步有效載荷包絡/管理單元的驗證
定時和同步
抖動和漂移測試
物理參數測試涉及:
– 發射機特性,包括工作波長范圍,消光比,側模抑制比,眼圖模板和光譜特性
– 接收器特性,包括接收靈敏度,過載和反射特性
指針調整
自動保護切換(APS)測試
串聯連接監控(TCM)
SDH設備的國際標準一般清單如下:
- ITU-T G.703
- ITU-T G.707
- ITU-T G.783
- ITU-T G.957
- ITU-T G.958
根據要求的測試的光學產品的功能,有各種其他標準可以應用。巴西,日本,瑞士,波蘭和新加坡等國家都有自己的SDH型設備標準.MET能夠根據這些標準以及供應商驅動的要求進行測試 。鑑定我們的GR-253-CORE測試能力,加上我們現有的測試光纖組件GR-326-CORE,GR-910-CORE,GR-1073-CORE,GR-1209-CORE和GR-1221-CORE 的能力,MET能滿足您的光學產品的所有測試方面。
this external,MET提供協議分析/系統級測試:
- EC1 (SONET)
- EC3 (SONET)/STM-1E (SDH)
- OC1(SONET)
- OC3 (SONET)/STM-1 (SDH)
- OC12 (SONET)/STM-4 (SDH)
- OC48 (SONET)/STM-16 (SDH)
- OC192 (SONET)/STM-64 (SDH)